Comparison between periodized and non-periodized training in physical fitness: an umbrella review
DOI:
https://doi.org/10.47197/retos.v70.114374Keywords:
physical exercise, periodization, non-periodization, sportAbstract
Introduction: Sedentary behavior increases the risk of chronic diseases, making regular physical activity essential. Periodization or training programming is crucial to ensure effectiveness and safety, adjusting volume and intensity according to the individual's physical condition.
Objective: o synthesize reviews that compared periodized and non-periodized training on the components of physical fitness, helping coaches make evidence-based decisions.
Methodology: The review followed the PRISMA guidelines, was registered in PROSPERO (CRD42021258620), and searched for studies between May 2023 and June 2025, in the Medline, EMBA-SE, Cochrane Library, Scielo and LILACS databases, as well as Google Scholar and others. Systematic reviews on physical fitness parameters were included, with methodological quality assessment by AMSTAR-2.
Results: The findings indicated that periodized training produced a moderately greater effect on muscle strength gains compared to non-periodized training. In contrast, both training approaches demonstrated similar outcomes regarding muscle hypertrophy. Overall analysis revealed considerable heterogeneity among the protocols used in the included reviews, as well as a need for further studies with more detailed descriptions of participant characteristics.
Discussion: Low adherence to AMSTAR-2 criteria compromised the reliability of the results. The lack of clear definition of periodization and data like average BMI hindered interpretation.
Conclusions: Periodized training has been shown to be more effective for strength and power, with similar effects on short-term hypertrophy; the studies presented relevant methodological limitations.
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Copyright (c) 2025 Guilherme Lisboa de Serpa; Sayd Douglas Carneiro de Oliveira; Welton Daniel Nogueira Godinho, Adriano César Carneiro Loureiro

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